Car-axle.



GAR AXLE.

APPLICATION FILED MAY 17, 1907.

HTTEST. lNvENToR.

\fl i V G. FRRNK.PR\C fig m BY ATT'Y GEORGE FRANKLIN PRICE, OF ST.LOUIS, MISSOURI.

GAR-AXLE.

Specification of Letters Patent.

Patented Dec. 31, 1907.

Application filed May 17. 1907- Serial No. 374,219-

To all whom it may concern:

Be it known that I, GEORGE FRANKLIN PRICE, a citizen of the UnitedStates of America, residing in the city of St. Louis and State ofMissouri, have invented certain new 'and useful Improvements inCar-Axles, of

which the following is a full, clear, and exact description, referencebeing had to the accompanying drawing, forming part of thisspecification. I

My invention relates to an improvement in car axles and it has for itsobject the production of an axle that is much less expensive inmanufacture and may be transported at a greatly decreased cost to whichend the axle is made tubular throughout its length.

The drawing is a view partly in longitudinal section an partly inelevation of my improved axle. In the accompanying drawing: 1 desighatesmy axle which consists of a shell which is hollow from end to end. Thisaxle may be produced of steel or other suitable metal in any desiredmanner but it is preferably made of cast steel and molded in a singlepiece so that it is integral throughout and has the requisitestrength'without departing in any degree from'the requirements atpresent in. effect of the Master Car'Builders relatin to the sizes andstructures of railway car a es. The axle herein described being ofhollow form, may be manufactured much less expensively than the solidaxles at present in use in railway cars, due to the decrease in theamount of metal incident to the productio of a hollow axle asdistinguished from a solid axle. Another important advantage in thisaxle lies in the fact that, due to 1ts being much lighter in weight,there is a great saving in the cost of transportation and cater numbersof the axles may be loade upon cars for transportation of statedcapacities.

Another very important advantage in the use of my hollow axle to which Iwish to direct attention isthefact that a railway car equi ped with myaxle is greatly reduced in weig t as compared to a car equipped with vthe full dimensions of the ax as set forth.

the ordinary solid axles and there is a great difference existing in thedead weight in the rolling stock of the car.

I am aware that it has heretofore been proposed to make hollow car axlesof wrought metal or metal in other natures from ingots which are firstcast and from which the axle is produced by rollin the ingot. Thismethod of production'o the axle, however, is an expensive one and it isthe object of my invention to construct the axle much less expensively.than it can be produced by rolling it and without the use of expensivemachinery incident to metal rolling operations. and in the fulldimensions that are to be contained in the axle, and after the simplecasting operationhas been carried out it is only necessary to dress theournal portions of the axle to put it in condition for service, thisdressing 0 eration being a necessary one in the manu acture of an axleof any form or construction. There is also another object My car axle iscast in a single piece in constructing my axle from a single casting;namely, that of producing an axle of much greater strength of hollowform than that contained in a rolled axle, it being a well known factthat cast steel, ,in its original cast state, will resist much greaterstress than rolled metal.

I claim: 1.. As a new article of manufacture, a hollow car axle'cast ina sin le piece having Io, substantially 2. As a new article ofmanufacture, a cast steel car axle hollow from end to end cast in asingle piece having the full dimensions of the axle, substantially asset forth.

GEORGE FRANKLIN PRICE.

In presence of LILY Rosa, 1 H. G. FLETOHER.

of the'

